Diagnosis conditions

• Oxygen sensing system active
• Time elapsed after engine start-up:
  1. 250 to 350 seconds (USA)
  2. 302 to 402 seconds (RoW)
• Engine temperature > 62° C
• Intake air temperature < 90° C
• Air mass flow > 180 kg/h
• Load signal > 26 %
  Fig 1: DTC P1125 & P1132 Fault Conditions

  Courtesy of PORSCHE OF NORTH AMERICA, INC.

For vehicles in the USA, the upper load range will probably not be reached. The only case in which a fault could be stored is during driving while towing a trailer or caravan on a hill.

If the fuel tank reserve light is switched on, no fault is entered.